[][MAC80211][WiFi6][mt76][Support thermal recal debug command]

[Description]
Add support support thermal recal debug command.

Usage:
$ echo val > debugfs/thermal_recal

The val can be the following values:
0 = disable
1 = enable
2 = manual trigger

[Release-log]
N/A

Change-Id: I4ea613022a702533129dc304175601d647ce28ba
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/8429953
1 file changed